Pest Identification Guide — Identify & Solve Common Household Pests

Common Household Pests: Quick Identification Guide

Use this visual guide to identify common pests in your home and learn the best chemical-free solutions for each one.

1. Bed Bugs

Size: 4-5mm (apple seed size) | Color: Reddish-brown | Active: Night

Signs: Small blood spots on sheets, itchy bites in clusters, musty odor near mattress seams.

Solution: Heat treatment + ultrasonic repeller for ongoing prevention. Read our full bed bug removal guide →

2. Mice & Rats

Size: Mouse 3-10cm / Rat 15-25cm | Color: Gray to brown | Active: Night

Signs: Droppings (rice-shaped for mice, capsule-shaped for rats), gnaw marks, scratching sounds in walls.

Solution: Seal entry points + ultrasonic deterrent. Take our 7-step rodent risk checklist →

3. Cockroaches

Size: 12-50mm | Color: Dark brown to black | Active: Night

Signs: Droppings (small dark specks), egg cases, musty smell, seen running when lights turn on.

Solution: Remove food/water sources + ultrasonic repeller in kitchen and bathroom areas.

4. Mosquitoes

Size: 3-6mm | Color: Gray with white stripes | Active: Dawn & dusk

Signs: Buzzing near ears, itchy welts, standing water nearby.

Solution: Eliminate standing water + ultrasonic deterrent for indoor protection.

5. Ants

Size: 1-5mm | Color: Black, brown, or red | Active: Day

Signs: Trails along walls/counters, small dirt mounds near foundation.

Solution: Seal cracks, clean food residue + ultrasonic repeller as barrier.

6. Spiders

Size: 2-20mm | Color: Varies | Active: Night

Signs: Webs in corners, egg sacs, occasional sightings.

Solution: Reduce clutter, seal gaps + ultrasonic repeller to deter prey insects.


Chemical-Free Protection for Every Pest

The PestGuard™ Ultrasonic Pest Repeller uses variable-frequency ultrasonic waves to deter all common household pests — no chemicals, no traps, safe for children and pets.

Shop All PestGuard Products →


Sources: EPA - Bed Bugs | CDC - Rodents | WHO - Vector-Borne Diseases

📋 Ready to take action? Follow our complete 7-Step Home Pest Prevention Checklist to protect your home starting today.